do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >>> welcome back. you're looking at new video from outside the funeral mass of boston marathon bombing krystle campbell. we look at how the 29-year-old restaurant manager will be remembered by her friends and by her family. >> you couldn't ask for a better daughter. i can't believe this has happened. >> reporter: a mother's grief for a daughter taken too soon. >> everybody that knew her loved her. >> reporter: krystle campbell was 29, she loved to watch the boston marathon. she'd been go